Identifier schemesIdentifierSchemecountryCodecountryCodeThe identifier is a country code.eionetGroundWaterBodyCodeeionetGroundWaterBodyCodeThe groundwater body identifier is not a WFD water body code.eionetMonitoringSiteCodeeionetMonitoringSiteCodeThe monitoring site identifier is not a WFD monitoring site code.eionetProtectedAreaCodeeionetProtectedAreaCodeThe protected area identifier is not a WFD protected area code.eionetRBDCodeeionetRBDCodeThe RBD identifier is not a WFD RBD code.eionetSubUnitCodeeionetSubUnitCodeThe RBD sub-unit identifier is not a WFD RBD sub-unit code.eionetSurfaceWaterBodyCodeeionetSurfaceWaterBodyCodeThe surface water body identifier is not a WFD surface water body code.euGroundWaterBodyCodeeuGroundWaterBodyCodeThe groundwater body identifier is a WFD water body code.euMonitoringSiteCodeeuMonitoringSiteCodeThe monitoring site identifier is a WFD monitoring site code.euProtectedAreaCodeeuProtectedAreaCodeThe protected area identifier is a WFD protected area code.euRBDCodeeuRBDCodeThe RBD identifier is a WFD RBD code.euSubUnitCodeeuSubUnitCodeThe RBD sub-unit identifier is a WFD RBD sub-unit code.euSurfaceWaterBodyCodeeuSurfaceWaterBodyCodeThe surface water body identifier is a WFD surface water body code.euMarineRegionCodeeuMarineRegionCodeThe identifier is a marine region or sub-region code.